tang-dahl.dk

📜 Historical scan 2026-06-21 16:21:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tang-dahl.dk is a .dk domain served by 2 nameservers (ns1.sveigaard.dk, ns2.sveigaard.dk). It was registered on 18 August 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.81.179 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sveigaard.dk	157.90.175.185 2a01:4f8:1c1c:d6d2::1	ns1.sveigaard.dk ns1.sveigaard.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.sveigaard.dk	168.119.103.47 2a01:4f8:c012:159c::1	ns2.sveigaard.dk ns2.sveigaard.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.81.179	3600s	server.sveigaard.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

7 records 123ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	172.217.218.26 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a	en-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.213.26 2404:6800:4000:1025::1a	yugrqzs-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4008:c01::1a	so-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx2.googlemail.com	172.253.158.26 2404:6800:4000:1025::1b	so-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx3.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx4.googlemail.com	192.178.230.27 2404:6800:4008:c01::1a	yunrtab-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx5.googlemail.com	173.194.43.27 2607:f8b0:400e:c1e::1a	yudlsqd-in-f27.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 77ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2200:41d0::2	3600s	server.sveigaard.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 272ms

TXT Record
v=spf1 ip4:49.12.81.179 ip4:176.9.118.181 +a +mx include:spf.azehosting.net +ip6:2a01:4f8:241:464c::2 +include:_spf.google.com ~all

✉️ SPF#

Policy	Record (tang-dahl.dk)
~all (soft fail)	v=spf1 ip4:49.12.81.179 ip4:176.9.118.181 +a +mx include:spf.azehosting.net +ip6:2a01:4f8:241:464c::2 +include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.tang-dahl.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-27 10:04:40

www CNAME	tang-dahl.dk (all on tang-dahl.dk) → 49.12.81.179 2a01:4f8:2200:41d0::2 (AS24940)
www vs bare domain	Same network tang-dahl.dk: 49.12.81.179 2a01:4f8:2200:41d0::2 (AS24940) www.tang-dahl.dk: 49.12.81.179 2a01:4f8:2200:41d0::2 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tang-dahl.dk	XpvPh7m4UepTSN8cRoSKEOU7BW1M4jFXS0nv_RZchuQ

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

123ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

27ms

Field	Value
Serial	2026052801
Primary NS (MNAME)	ns1.sveigaard.dk
Responsible (RNAME)	s@sveigaard.dk
Refresh	3600s
Retry	1200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-27 18:44:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-08-18
Expires	2027-08-31 (307d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

54ms

55ms

123ms

AAAA

77ms

TXT

272ms

CAA

108ms

HTTPS

129ms

TLSA

85ms

SOA

27ms

MTA-STS

55ms

DNSSEC

123ms

SRV

151ms

Total

788ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-27 10:04:40	2660ms	2 NS 1 A 7 MX	🔓 Insecure
2026-10-01 07:27:39	1574ms	2 NS 1 A 7 MX	🔓 Insecure
2026-09-27 18:55:56	2098ms	2 NS 1 A 7 MX	🔓 Insecure
2026-08-26 12:46:52	3699ms	2 NS 1 A 7 MX	🔓 Insecure
2026-07-29 07:36:20	10546ms	2 NS 1 A 7 MX	🔓 Insecure
2026-06-21 16:21:01 shown	788ms	2 NS 1 A 7 MX	🔓 Insecure
2026-06-21 00:44:50	998ms	2 NS 1 A 7 MX	🔓 Insecure
2026-06-18 00:24:16	1052ms	2 NS 1 A 7 MX	🔓 Insecure